资源描述
(1)
97 + 258=
369-204=
101×25 =
50×12 =
360÷3 =
300÷50 =
(2)
362 + 298=
363-199=
32×101 =
25×40 =
450÷90 =
90÷5 =
(3)
204 + 365=
457-302=
125×8 =
12×70 =
480÷12 =
500÷50 =
(4)
450 + 250=
360-240=
50×24=
310×6 =
60÷15 =
960÷30 =
(5)
4.1+ 0.9=
2.3-1.8=
0.2×9 =
0.3×0.7 =
0.6÷3 =
0.15÷0.5 =
(6)
3 + 1.2=
7.3- 5 =
0.2×0.4 =
1.2×0.5 =
2.4÷0.6 =
24÷0.3 =
(7)
7.12+ 0.5 =
6 -1.8=
1.5×0.4 =
25×0.4 =
4.2÷0.07 =
4÷0.08 =
(8)
2 + 5.9=
4.31-2.2=
0.6×20 =
1.6×30 =
0.56÷7 =
0.42÷0.6 =
(9)
2.4 + 4 =
18.6-6 =
40×1.2 =
50×1.3 =
0.48÷0.8 =
3÷0.6 =
(10)
0.21 + 5 =
6 -2.6 =
0.4×1.4 =
1.5×0.8 =
0.3÷0.5 =
0.1÷0.2 =
(11)
+ =
+ =
+ =
- =
- =
- =
(12)
+ =
+ =
+ 2 =
-=
-=
1-=
(13)
×3 =
×8 =
×3 =
8 × =
3 × =
10 × =
(14)
×=
×=
×=
×=
×=
×=
(15)
÷4 =
÷8 =
÷10 =
÷6=
÷14=
÷22=
(16)
÷=
÷=
÷=
÷=
÷=
÷=
(17)
88×32≈
39×302≈
19×201≈
67×93≈
195×41≈
392×12≈
(18)
18×41≈
22×198≈
310×41≈
42×192≈
95×192≈
39×112≈
(19)
352÷7≈
462÷9≈
425÷60≈
334÷80≈
360÷49≈
238÷31≈
(20)
152÷3≈
472÷8≈
415÷40≈
364÷50≈
360÷89≈
268÷71≈
(21)
+ =
+ =
+ =
-=
- =
-=
(22)
+ =
2 + =
+ =
-=
- =
2 -=
(23)
×8=
21×=
×15=
6×=
×7=
36×=
(24)
× =
× =
× =
× =
× =
× =
(25)
÷2 =
÷4 =
÷7 =
÷12 =
÷9 =
÷2 =
(26)
÷3 =
÷3 =
÷15 =
÷4=
÷2=
÷4=
(27)
÷=
÷=
÷=
÷=
÷=
÷=
(28)
÷=
÷=
÷=
÷=
÷=
÷=
(29)
14÷=
÷8=
5÷=
÷=
÷=
4÷=
(30)
9÷=
÷=
÷=
÷=
÷=
÷30=
(31)
÷18 =
÷4=
4÷=
÷6=
5÷=
÷5=
(32)
÷=
÷=
÷=
3÷ =
÷10=
÷=
(33)
÷=
÷=
÷=
÷=
÷=
÷=
(34)
÷=
÷=
÷=
9÷=
÷5 =
÷=
(35)
20÷=
÷6=
15÷=
÷=
8÷=
10÷=
(36)
÷=
÷=
÷=
÷5=
÷=
÷=
(37)
297 + 248=
569-203=
101×36 =
30×32 =
450÷3 =
720÷60 =
(38)
303 + 299=
467-105=
59×101 =
125×80 =
750÷50 =
95÷19=
(39)
604 + 165=
857-502=
250×4 =
13×60 =
600÷12 =
390÷39 =
(40)
459 + 290=
360-204=
40×24=
130×6 =
750÷25 =
960÷80 =
(41)
4.1+ 5.9=
5.3-1.8=
0.5×9 =
0.9×0.7 =
1.2÷6 =
0.15÷15 =
(42)
7 + 1.2=
5.3- 5 =
0.1×0.8 =
1.8×0.3 =
24÷0.1 =
3.4÷1.7 =
(43)
7.1+ 0.5 =
4 -1.8=
1.4×0.4 =
24×0.5 =
0.42÷0.7 =
6÷0.2 =
(44)
5 + 5.9=
5.31-4.2=
0.6×90 =
1.5×30 =
0.35÷7 =
0.4÷0.5 =
(45)
2.5 + 4 =
16.6-6 =
60×1.2 =
40×1.3 =
4.8÷4.8 =
30÷0.5 =
(46)
0.25 + 0.5 =
8 -2.6 =
0.5×1.4 =
1.2×0.8 =
0.3÷5 =
0.1÷0.5 =
(47)
5 + 1.2=
7.3- 4 =
0.5×0.3 =
3÷0.6 =
+ =
-=
(48)
3.6+ 0.9=
7.2-1.8=
0.6×9 =
2.4÷3 =
+ =
- =
(49)
81×32≈
39×397≈
20×201≈
78×91≈
190×21≈
292×32≈
(50)
48×61≈
21×298≈
390×31≈
49×92≈
97×39≈
42×192≈
(51)
352÷5≈
412÷8≈
235÷30≈
344÷70≈
360÷59≈
238÷41≈
(52)
182÷9≈
482÷6≈
105÷20≈
390÷80≈
460÷89≈
268÷51≈
(53)
0.03 + 5 =
4-2.6 =
0.3×1.4 =
0.4÷0.5 =
+ =
-=
(54)
4 + 5.9=
6.54-2.2=
0.7×20 =
0.42÷7 =
+ =
- =
(55)
3.6+ 0.9=
7.2-1.8=
0.6×9 =
2.4÷3 =
+ =
- =
(56)
5 + 1.2=
7.3- 4 =
0.5×0.3 =
3÷0.6 =
+ =
-=
(57)
2.12+ 0.5 =
5 -1.8=
1.4×0.5 =
3.5÷0.07 =
+ =
-=
(58)
5.3 + 4 =
16.2-6 =
30×1.2 =
0.4÷0.8 =
+ 3 =
1-=
(59)
×10 =
×6 =
10× =
×3 =
22× =
×5 =
(60)
1 ×=
7× =
×12 =
×10 =
6 × =
× 10 =
(61)
×=
×=
×=
×=
×=
×=
(62)
×=
×=
×=
×=
×=
×=
(63)
÷8 =
÷4=
÷6=
÷10=
÷7=
÷11=
(64)
÷2 =
÷3 =
÷8=
÷10 =
÷5 =
÷6 =
(65)
21÷=
÷=
÷=
8÷=
÷5=
8÷=
(66)
÷15=
3÷=
÷=
÷=
÷=
÷=
(67)
÷4=
6÷=
5÷=
4 ÷=
÷5=
18÷=
(68)
÷=
÷=
÷=
3÷ =
÷=
10÷=
(69)
÷=
÷=
÷=
÷=
÷=
÷=
(70)
÷=
÷5=
÷=
÷=
9÷=
÷=
(71)
6÷=
÷=
4÷=
÷8=
÷15=
÷10=
(72)
÷=
÷=
÷=
÷=
÷=
÷=
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